<template>
  <el-form ref="deptForm" :model="form" :rules="relse" label-width="120px">
    <el-form-item label="部门名称" prop="name">
      <el-input v-model="form.name" style="width:80%" placeholder="1-50个字符" />
    </el-form-item>
    <el-form-item label="部门编码" prop="code">
      <el-input v-model="form.code" style="width:80%" placeholder="1-50个字符" />
    </el-form-item>
    <el-form-item label="部门负责人" prop="manager">
      <el-select v-model="form.manager" style="width:80%" placeholder="请选择">
        <el-option
          v-for="itme in list"
          :key="itme.id"
          :value="itme.username"
          :label="itme.username"
        />
      </el-select>
    </el-form-item>
    <el-form-item label="部门介绍" prop="introduce">
      <el-input v-model="form.introduce" style="width:80%" placeholder="1-300个字符" type="textarea" :rows="3" />
    </el-form-item>
    <el-form-item>
      <el-button type="primary" size="small" @click="hSubmit">确定</el-button>
      <el-button size="small" @click="hCancel">取消</el-button>
    </el-form-item>
  </el-form>

</template>

<script>
import { getEmployeeSimple } from '@/api/employees'
import { addDepartments, getDepartmentDetial, updateDepartments } from '@/api/departments'
export default {
  props: {
    id: {
      type: String,
      required: true
    },
    isEdit: {
      type: Boolean,
      required: true
    },
    originList: {
      type: Array,
      required: true
    }
  },
  data() {
    // 校验编码在项目中是否存在
    const validCode = (rule, value, callback) => {
      let exsitCodeList = this.originList.map(item => item.code)
      if (this.isEdit) {
        exsitCodeList = this.originList.filter(item => item.id !== this.id).map(item => item.code)
      }
      console.log('exsitCodeList', exsitCodeList)
      if (exsitCodeList.includes(value)) {
        // 如果存在就抛出提示错误
        callback(new Error(`该部门编码:${value}已存在`))
      } else {
        // 不存在就放行
        callback()
      }
    }
    // 校验部门名称在同级部门 中不能重复
    const validName = (rule, value, callback) => {
      let exisNameList = this.originList.filter(item => item.pid === this.id).map(item => item.name)
      if (this.isEdit) {
        // 获取当前部门pid
        const pid = this.originList.find(item => item.pid === this.id).pid
        // 获取被占用的名称列表
        exisNameList = this.originList.filter(item => item.pid === pid).filter(item => item.id !== this.id).map(item => item.name)
      }
      // console.log('exisNameList', exisNameList)
      // 判断当前用户输入的部门名称是否已经存在数组
      if (exisNameList.includes(value)) {
        callback(new Error(`该部门名称:${value}已存在`))
      } else {
        callback()
      }
    }
    return {
      form: {
        name: '',
        code: '',
        manager: '',
        introduce: ''
      },
      relse: {
        name: [
          { required: true, message: '请输入部门名称', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' },
          { validator: validName, trigger: 'blur' }
        ],
        code: [
          { required: true, message: '请输入部门编码', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' },
          { validator: validCode, trigger: 'blur' }
        ],
        manager: [
          { required: true, message: '请输入部门负责人', trigger: 'blur' }
        ],
        introduce: [
          { required: true, message: '请输入部门介绍', trigger: 'blur' },
          { min: 3, max: 300, message: '长度在 3 到 300 个字符', trigger: 'blur' }
        ]
      },
      list: []
    }
  },
  // watch: { // 侦听器  可以侦听props的属性或data函数中的属性
  //   id: function(new_value, old_value) {
  //     if (this.isEdit) {
  //       this.loadDepartmentDetial()
  //     }
  //   }
  // },
  created() {
    this.loadEmployeeSimple()
    if (this.isEdit) {
      this.loadDepartmentDetial()
    }
  },
  methods: {
    // 获取部门详情数据
    async loadDepartmentDetial() {
      try {
        const res = await getDepartmentDetial(this.id)
        if (res.code === 10000) {
          // 获取到部门详情填充到表单
          this.form = res.data
        }
      } catch (error) {
        console.log(error)
      }
    },
    // 加载部门负责人信息
    async loadEmployeeSimple() {
      try {
        const res = await getEmployeeSimple()
        console.log('res', res)
        this.list = res.data
      } catch (error) {
        console.log(error)
      }
    },
    // 新增子部门
    async doAdd() {
      try {
        const res = await addDepartments({ pid: this.id, ...this.form })
        console.log('res', res)
        this.list = res.data
        if (res.code !== 10000) return this.$message.error(res.message)
        this.$message.success(res.message)
        // 关闭弹层  重新 渲染
        this.$emit('success')
      } catch (error) {
        console.log(error)
      }
    },
    // 实现编辑部门
    async doEdit() {
      try {
        const res = await updateDepartments(this.form)
        if (res.code !== 10000) return this.$message.error(res.message)
        this.$message.success(res.message)
        // 重新渲染页面
        // 关闭弹层
        this.$emit('success')
      } catch (error) {
        console.log(error)
      }
    },
    hSubmit() {
      // 兜底校验
      this.$refs.deptForm.validate((valid) => {
        if (!valid) return // 校验失败
        this.isEdit ? this.doEdit() : this.doAdd()
      })
    },
    hCancel() {
      // 子传父 关闭弹层
      this.$emit('close')
    }
  }
}
</script>

<style>

</style>
